<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@page import="de.laures.cewolf.ChartPostProcessor"%>
<%@page import="java.awt.*" %>
<%@page import="java.util.*"%>
<%@page import="de.laures.cewolf.*"%>
<%@page import="de.laures.cewolf.cpp.*"%>
<%@page import="de.laures.cewolf.example.*"%>
<%@page import="de.laures.cewolf.links.*"%>
<%@page import="de.laures.cewolf.taglib.CewolfChartFactory" %>
<%@page import="de.laures.cewolf.tooltips.*"%>
<%@page import="org.jfree.chart.*"%>
<%@page import="org.jfree.chart.event.ChartProgressEvent" %>
<%@page import="org.jfree.chart.event.ChartProgressListener" %>
<%@page import="org.jfree.chart.plot.*"%>
<%@page import="org.jfree.data.*"%>
<%@page import="org.jfree.data.category.*"%>
<%@page import="org.jfree.data.gantt.*"%>
<%@page import="org.jfree.data.general.*"%>
<%@page import="org.jfree.data.time.*"%>
<%@page import="org.jfree.data.xy.*"%>
<%@taglib uri="http://cewolf.sourceforge.net/taglib/cewolf.tld" prefix="cewolf" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="js/global.js"></script>
<script type="text/javascript" src="js/tooltip.js"></script>
<link type="text/css" href="style/cewolf.css" rel="stylesheet">
</head>
<body>
<%
DatasetProducer xyData = new DatasetProducer() {
    public Object produceDataset(Map params) {
      XYSeries xys = new XYSeries("Example XY Dataset");
      double last = 0.0;
      for (int i = -50; i <= 50; i++) {
        double y = last + ((Math.random() * 100) - 50.0);
        xys.add((double) i, y);
        last = y;
      }
      return new XYSeriesCollection(xys);
    }
    public String getProducerId() {
      return "XYDataProducer";
    }
    public boolean hasExpired(Map params, Date since) {
      return false;
    }
  };
  pageContext.setAttribute("xyData", xyData);
%>
<div>
<cewolf:chart id="scatterPlot" title="ScatterPlot" type="scatter">
    <cewolf:data>
        <cewolf:producer id="xyData" />
    </cewolf:data>
</cewolf:chart>
<cewolf:img chartid="scatterPlot" renderer="/cewolf" width="800" height="400" />
</div>
</body>
</html>